Zanamivir

Zanamivir (pronounced /zəˈnæmɨvɪr/) is a neuraminidase inhibitor used in the treatment and prophylaxis of Influenzavirus A and Influenzavirus B. Influenza is a virus that infects and multiplies in the lungs. The drug works by attacking the virus this prevents the virus multiplying and spreading to other parts of the lungs. The drug is used to treat certain individuals at risk such as the elderly and those who suffer with long term illnesses the like of chronic heart and lung disease. Zanamivir is not a substitute for flu vaccination. The symptoms of influenza can be fever, aches and pains, cough, soar throat and nasal congestion. Zanamivir is taken by inhaler, and helps to clear these symptoms, shortening the duration of the illness. Treatment should begin within 48 hours of the onset of symptoms. symptons usually subside in two to seven days, Unless complications occur such as a chest infection. If you are asthmatic then Zanamivir should be used with caution as it may provoke wheezing which will require urgent use of a bronchodilator.

Zanamivir is specific to the influenza virus, it has not been known to cause toxic effects, and does not spread around through the body’s systemic circulation. It also shows no signs of viral resistance. However, due to a lack of reports or evidence about its toxicity, the FDA does not license it for use in children under 7 years of age.

---

Quick Guide

• Antiviral drug with danger of overdose – LOW.
• Dependency is said to be – LOW.
• Prescription only drug – YES.
• Available as generic – NO.
• Alcohol Avoidance – NO.

Side Effects

You may if on this medication suffer one or more of these side effects, in the initial stages. However, you may find you do not suffer any at all, as it does not follow that being on this medication will cause unwanted side effects.

Common: None.
Rare: Headache, Sore Throat, Cough, Nasal Problems, Wheezing and Breathlessness.

The side effects listed here are the most common and rare problems reported by patients using this medication It does not include all of the side effects reported by the drug’s manufacturer. If common side effects persist you need to inform your doctor. Notify your doctor if you suffer any of the rare or some other side effects not listed here. For total peace of mind, seek information from your doctor or chemist.

Prolonged Use

This medication is not prescribed for long-term use and may be given for use up to a period of 5 days.

Driving, Hazardous Work & Alcohol

There are no known problems with driving ability, hazardous work or alcohol.

Pregnancy and Breast-Feeding

Safety in both pregnancy and breast feeding has not been established. If you are pregnant or you are trying for a baby you will need to discuss this with your doctor.

Zanamivir is classified as a Pregnancy Category C medicine by the U.S. Food and Drug Administration (FDA). Category C… Animal reproduction studies have shown an adverse effect on the foetus and there are no adequate and well-controlled studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.

Tell Your Doctor or Pharmacist

You should tell your doctor if you have a current health problem. For example: heart disease, kidney problems, if you are pregnant or you intend to become pregnant, or if you think you may be at risk from drug treatment for any other reason. Some types of medication can cause serious adverse effects when taken side by side so it is important to tell your doctor of any other medication you are already taking. This should also include any over-the-counter medication. For example: Painkillers, cold remedies, herbal and complimentary / alternative medication.

See full list of things you should tell your doctor about.»

Over 60’s & Children

No special problems as far as the over sixties is concerned. However, this medication is not recommended for infants or children.

Overdose

If you know a large overdose has been taken or you notice any unusual symptoms you should contact your doctor. However, having said that if an extra dose has been taken unintentionally there should be no cause for alarm.

Other Medication Reactions

Inhaled drugs such as salbutamol and beclometasone need to be inhaled just before zanamivir is administered.

Missed A Dose

Take the missed dose as soon as you remember. However, if it is almost time for the next dose, skip the missed dose and continue the regular dosing schedule. Do not take a double dose to make up for a missed one. Ideally you would have already checked with your doctor. Failing this ring the surgery or check next time you see your doctor.

Reducing or Stopping Medication

Do not stop taking the drug without consulting your doctor.

Effect Of Medication

The effects of zanamivir could be felt within 7 days, with a lasting duration of up to 12 hours.

Storage and Safety

• Keep medicine in its original container, in a cool dry place, away from the reach of children.
• Never take more than the original dosage prescribed by your doctor.
• Never take medication that has past the expiry date shown on the box or container.
• Do not discard old or unwanted medication / drugs into your trash, sink or toilet.
• Return all un-used or old medicines / drugs to your pharmacist.

If this medication has been prescribed for you never allow anyone else to use it, even if you know or others feel their symptom are similar to your own.

Do not leave your doctors surgery until you have a clear understanding of what the drug your doctor has prescribed for you does, and why you have been prescribed it. It is common for people who do not understand the reason behind there treatment to take their medication correctly.